axyoungcva axyoungcva

02-01-2017
Mathematics

contestada

Write (21 − 4i) − (16 + 7i) + 28i as a complex number in standard form.

Respuesta :

02-01-2017

standard form is a + bi
Combine like terms
5 + 17i

Answer Link

apologiabiology apologiabiology

02-01-2017

treat i as a placeholder
get into standard form (a+bi)

distribute stuf and move
21-4i-16-7i+28i
21-16-4i-7i+28i
5+17i

Answer Link

Otras preguntas

75 POINTS FOR BRAINLIEST ANSWER!!! E.) Faites le match! En Anglais? Possibilites A il arrive 1.I

During which process does an atom gain one or more electrons? (1) transmutation (3) oxidation (2) reduction (4) neutralization

75 students decreased by 80%

a high school student refuses to participate in the pledge of allegiance at the beginning of the school day. a teacher screams at the student and says that the

Which of the following traits is not a characteristic of animals? A- Multicellular body structure B- Composed of cells with cell walls C- Heterotrophic food-get

Who received benefits from settlement houses in the late 1800s and early 1900s?

the most likely reason why Napoleon could be classified as an enlightened monarch was because

An atom of any element must contain (1) an equal number of protons and neutrons (2) an equal number of protons and electrons (3) more electrons than neutrons (4

Georgia O'Keefe was an American painter from Wisconsin. Whose detailed close-ups of flowers brought her world renown. WHAT IS WRONG WITH THESE SENTENCE..

how many time does 4 go into 52